Introduce namespace langutil in liblangutil directory.

Also:
- Use {}-style list initialisation for SourceLocation construction
- Introduce new system includes
- Changes the API of the Scanner to take source as value (with move) as opposed to as a reference

test/libevmasm/Assembler.cpp

@@ -30,6 +30,7 @@
 #include <memory>
 
 using namespace std;
+using namespace langutil;
 using namespace dev::eth;
 
 namespace dev

test/libevmasm/Optimiser.cpp

@@ -36,6 +36,7 @@
 #include <memory>
 
 using namespace std;
+using namespace langutil;
 using namespace dev::eth;
 
 namespace dev

test/liblangutil/SourceLocation.cpp

@@ -24,9 +24,7 @@
 
 #include <test/Options.h>
 
-namespace dev
-{
-namespace solidity
+namespace langutil
 {
 namespace test
 {
@@ -45,6 +43,5 @@ BOOST_AUTO_TEST_CASE(test_fail)
 
 BOOST_AUTO_TEST_SUITE_END()
 
-}
 }
 } // end namespaces

test/libsolidity/AnalysisFramework.cpp

@@ -35,6 +35,7 @@
 
 using namespace std;
 using namespace dev;
+using namespace langutil;
 using namespace dev::solidity;
 using namespace dev::solidity::test;
 
@@ -127,7 +128,7 @@ string AnalysisFramework::formatError(Error const& _error) const
 	return SourceReferenceFormatter::formatExceptionInformation(
 			_error,
 			(_error.type() == Error::Type::Warning) ? "Warning" : "Error",
-			[&](std::string const& _sourceName) -> solidity::Scanner const& { return m_compiler.scanner(_sourceName); }
+			[&](std::string const& _sourceName) -> Scanner const& { return m_compiler.scanner(_sourceName); }
 		);
 }
 

test/libsolidity/AnalysisFramework.h

@@ -45,7 +45,7 @@ class AnalysisFramework
 {
 
 protected:
-	virtual std::pair<SourceUnit const*, ErrorList>
+	virtual std::pair<SourceUnit const*, langutil::ErrorList>
 	parseAnalyseAndReturnError(
 		std::string const& _source,
 		bool _reportWarnings = false,
@@ -56,10 +56,10 @@ protected:
 
 	SourceUnit const* parseAndAnalyse(std::string const& _source);
 	bool success(std::string const& _source);
-	ErrorList expectError(std::string const& _source, bool _warning = false, bool _allowMultiple = false);
+	langutil::ErrorList expectError(std::string const& _source, bool _warning = false, bool _allowMultiple = false);
 
 	std::string formatErrors() const;
-	std::string formatError(Error const& _error) const;
+	std::string formatError(langutil::Error const& _error) const;
 
 	static ContractDefinition const* retrieveContractByName(SourceUnit const& _source, std::string const& _name);
 	static FunctionTypePointer retrieveFunctionBySignature(
@@ -68,7 +68,7 @@ protected:
 	);
 
 	// filter out the warnings in m_warningsToFilter or all warnings if _includeWarnings is false
-	ErrorList filterErrors(ErrorList const& _errorList, bool _includeWarnings) const;
+	langutil::ErrorList filterErrors(langutil::ErrorList const& _errorList, bool _includeWarnings) const;
 
 	std::vector<std::string> m_warningsToFilter = {"This is a pre-release compiler version"};
 	dev::solidity::CompilerStack m_compiler;

test/libsolidity/Assembly.cpp

@@ -39,6 +39,7 @@
 #include <iostream>
 
 using namespace std;
+using namespace langutil;
 using namespace dev::eth;
 
 namespace dev

test/libsolidity/ErrorCheck.cpp

@@ -27,6 +27,7 @@
 
 using namespace std;
 using namespace dev;
+using namespace langutil;
 using namespace dev::solidity;
 
 namespace

test/libsolidity/ErrorCheck.h

@@ -30,10 +30,10 @@ namespace dev
 {
 namespace solidity
 {
-bool searchErrorMessage(Error const& _err, std::string const& _substr);
+bool searchErrorMessage(langutil::Error const& _err, std::string const& _substr);
 /// Checks that all provided errors are of the given type and have a given substring in their
 /// description.
 /// If the expectations are not met, returns a nonempty description, otherwise an empty string.
-std::string searchErrors(ErrorList const& _errors, std::vector<std::pair<Error::Type, std::string>> const& _expectations);
+std::string searchErrors(langutil::ErrorList const& _errors, std::vector<std::pair<langutil::Error::Type, std::string>> const& _expectations);
 }
 }

test/libsolidity/GasMeter.cpp

@@ -29,6 +29,7 @@
 #include <libsolidity/interface/SourceReferenceFormatter.h>
 
 using namespace std;
+using namespace langutil;
 using namespace dev::eth;
 using namespace dev::solidity;
 using namespace dev::test;

test/libsolidity/InlineAssembly.cpp

@@ -36,6 +36,7 @@
 #include <memory>
 
 using namespace std;
+using namespace langutil;
 
 namespace dev
 {

test/libsolidity/SMTChecker.cpp

@@ -25,6 +25,7 @@
 #include <string>
 
 using namespace std;
+using namespace langutil;
 
 namespace dev
 {

test/libsolidity/SemVerMatcher.cpp

@@ -28,6 +28,7 @@
 #include <test/Options.h>
 
 using namespace std;
+using namespace langutil;
 
 namespace dev
 {

test/libsolidity/SolidityExecutionFramework.h

@@ -72,13 +72,13 @@ public:
 		m_compiler.setOptimiserSettings(m_optimize, m_optimizeRuns);
 		if (!m_compiler.compile())
 		{
-			auto scannerFromSourceName = [&](std::string const& _sourceName) -> solidity::Scanner const& { return m_compiler.scanner(_sourceName); };
+			auto scannerFromSourceName = [&](std::string const& _sourceName) -> langutil::Scanner const& { return m_compiler.scanner(_sourceName); };
 			SourceReferenceFormatter formatter(std::cerr, scannerFromSourceName);
 
 			for (auto const& error: m_compiler.errors())
 				formatter.printExceptionInformation(
 					*error,
-					(error->type() == Error::Type::Warning) ? "Warning" : "Error"
+					(error->type() == langutil::Error::Type::Warning) ? "Warning" : "Error"
 				);
 			BOOST_ERROR("Compiling contract failed");
 		}

test/libsolidity/SolidityExpressionCompiler.cpp

@@ -33,6 +33,7 @@
 #include <test/Options.h>
 
 using namespace std;
+using namespace langutil;
 
 namespace dev
 {

test/libsolidity/SolidityNameAndTypeResolution.cpp

@@ -33,6 +33,7 @@
 #include <string>
 
 using namespace std;
+using namespace langutil;
 
 namespace dev
 {

test/libsolidity/SolidityNatspecJSON.cpp

@@ -27,6 +27,8 @@
 #include <liblangutil/Exceptions.h>
 #include <libdevcore/Exceptions.h>
 
+using namespace langutil;
+
 namespace dev
 {
 namespace solidity

test/libsolidity/SolidityParser.cpp

@@ -29,6 +29,7 @@
 #include <test/libsolidity/ErrorCheck.h>
 
 using namespace std;
+using namespace langutil;
 
 namespace dev
 {

test/libsolidity/SolidityScanner.cpp

@@ -24,6 +24,7 @@
 #include <boost/test/unit_test.hpp>
 
 using namespace std;
+using namespace langutil;
 
 namespace dev
 {

test/libsolidity/SolidityTypes.cpp

@@ -26,6 +26,7 @@
 #include <boost/test/unit_test.hpp>
 
 using namespace std;
+using namespace langutil;
 
 namespace dev
 {

test/libsolidity/SyntaxTest.cpp

@@ -25,6 +25,7 @@
 #include <stdexcept>
 
 using namespace dev;
+using namespace langutil;
 using namespace solidity;
 using namespace dev::solidity::test;
 using namespace dev::solidity::test::formatting;

test/libsolidity/ViewPureChecker.cpp

@@ -28,6 +28,7 @@
 #include <tuple>
 
 using namespace std;
+using namespace langutil;
 
 namespace dev
 {

test/libyul/Common.cpp

@@ -37,6 +37,7 @@
 #include <boost/test/unit_test.hpp>
 
 using namespace std;
+using namespace langutil;
 using namespace dev::yul;
 using namespace dev::solidity;
 

test/libyul/Common.h

@@ -27,13 +27,17 @@
 #include <vector>
 #include <memory>
 
-namespace dev
-{
-namespace solidity
+namespace langutil
 {
 class Scanner;
 class Error;
 using ErrorList = std::vector<std::shared_ptr<Error const>>;
+}
+
+namespace dev
+{
+namespace solidity
+{
 namespace assembly
 {
 struct AsmAnalysisInfo;
@@ -44,7 +48,7 @@ namespace yul
 namespace test
 {
 
-void printErrors(solidity::ErrorList const& _errors, solidity::Scanner const& _scanner);
+void printErrors(langutil::ErrorList const& _errors, langutil::Scanner const& _scanner);
 std::pair<std::shared_ptr<solidity::assembly::Block>, std::shared_ptr<solidity::assembly::AsmAnalysisInfo>>
 parse(std::string const& _source, bool _yul = true);
 solidity::assembly::Block disambiguate(std::string const& _source, bool _yul = true);

test/libyul/Parser.cpp

@@ -36,6 +36,7 @@
 #include <memory>
 
 using namespace std;
+using namespace langutil;
 
 namespace dev
 {

test/libyul/YulOptimizerTest.cpp

@@ -21,6 +21,9 @@
 
 #include <test/Options.h>
 
+#include <liblangutil/ErrorReporter.h>
+#include <liblangutil/Scanner.h>
+
 #include <libyul/optimiser/BlockFlattener.h>
 #include <libyul/optimiser/VarDeclPropagator.h>
 #include <libyul/optimiser/Disambiguator.h>
@@ -41,12 +44,10 @@
 #include <libyul/optimiser/RedundantAssignEliminator.h>
 #include <libyul/optimiser/Suite.h>
 
-#include <liblangutil/Scanner.h>
 #include <libsolidity/inlineasm/AsmPrinter.h>
 #include <libsolidity/inlineasm/AsmParser.h>
 #include <libsolidity/inlineasm/AsmAnalysis.h>
 #include <libsolidity/interface/SourceReferenceFormatter.h>
-#include <liblangutil/ErrorReporter.h>
 
 #include <boost/test/unit_test.hpp>
 #include <boost/algorithm/string.hpp>
@@ -54,6 +55,7 @@
 #include <fstream>
 
 using namespace dev;
+using namespace langutil;
 using namespace dev::yul;
 using namespace dev::yul::test;
 using namespace dev::solidity;

test/libyul/YulOptimizerTest.h

@@ -19,14 +19,17 @@
 
 #include <test/libsolidity/TestCase.h>
 
+namespace langutil
+{
+class Scanner;
+class Error;
+using ErrorList = std::vector<std::shared_ptr<Error const>>;
+}
 
 namespace dev
 {
 namespace solidity
 {
-class Scanner;
-class Error;
-using ErrorList = std::vector<std::shared_ptr<Error const>>;
 namespace assembly
 {
 struct AsmAnalysisInfo;
@@ -58,7 +61,7 @@ private:
 	bool parse(std::ostream& _stream, std::string const& _linePrefix, bool const _formatted);
 	void disambiguate();
 
-	static void printErrors(std::ostream& _stream, solidity::ErrorList const& _errors, solidity::Scanner const& _scanner);
+	static void printErrors(std::ostream& _stream, langutil::ErrorList const& _errors, langutil::Scanner const& _scanner);
 
 	std::string m_source;
 	bool m_yul = false;

test/tools/yulopti.cpp

@@ -19,15 +19,15 @@
  */
 
 #include <libdevcore/CommonIO.h>
+#include <liblangutil/ErrorReporter.h>
+#include <liblangutil/Scanner.h>
 #include <libsolidity/inlineasm/AsmAnalysis.h>
 #include <libsolidity/inlineasm/AsmAnalysisInfo.h>
-#include <liblangutil/Scanner.h>
 #include <libsolidity/parsing/Parser.h>
 #include <libsolidity/inlineasm/AsmData.h>
 #include <libsolidity/inlineasm/AsmParser.h>
 #include <libsolidity/inlineasm/AsmPrinter.h>
 #include <libsolidity/interface/SourceReferenceFormatter.h>
-#include <liblangutil/ErrorReporter.h>
 
 #include <libyul/optimiser/BlockFlattener.h>
 #include <libyul/optimiser/Disambiguator.h>
@@ -58,6 +58,7 @@
 
 using namespace std;
 using namespace dev;
+using namespace langutil;
 using namespace dev::solidity;
 using namespace dev::solidity::assembly;
 using namespace dev::yul;